ARP LS1 Pro-Series, Head Studs, Fit Blocks 2004-UP

Pro Series, 12-Point Head, Chevy, 4.8, 5.3, 5.7, 6.0L, 6.2, 7.0 Kit   Head studs for the pro in you.These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi. The Pro series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.